Chapter 1 Drug Use: An Overview Chapter Objectives After reading this chapter, students should be able to:  Develop an analytical framework for understanding any specific drug-use issue.  Apply four general principles of psychoactive drug use to any specific drug-use issue.  Explain the differences among misuse, abuse, and dependence.  Describe the concepts of dependence, tolerance, and withdrawal.  Explain correlates and antecedents of adolescent drug use.  Explain risk and protective factors for drug use.  Discuss motives that people may have for illicit or dangerous drug-using behavior. Chapter Vocabulary (in order of appearance in chapter) Psychoactive: having effects on thoughts, emotions, or behaviour. Marijuana: also spelled ―marihuana.‖ Dried leaves of the Cannabis plant. Harm reduction strategies: Measures taken to address drug problems that are open to outcomes other than abstinence or cessation of use Correlates: a variable that is statistically related to some other variable, such as drug use. Risk factors: variables correlated with higher rates of drug use Protective factors: variables correlated with lower rates of drug use. Antecedents: a variable that occurs bef